BUSINESS SEGMENTS - Sales and Net Contribution (Charge) to Earnings (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	$ 10,184	$ 10,201	$ 7,532
Net contribution (charge) to earnings	2,851	3,629	1,425
Timberlands
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	1,858	1,636	1,466
Real Estate & ENR
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	368	344	276
Wood Products
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	7,958	8,221	5,790
Operating segments | Timberlands
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	1,858	1,636	1,466
Net contribution (charge) to earnings	528	464	455
Operating segments | Real Estate & ENR
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	368	344	276
Net contribution (charge) to earnings	218	210	86
Operating segments | Wood Products
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	7,958	8,221	5,790
Net contribution (charge) to earnings	2,536	3,211	1,340
Unallocated Items
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	0	0	0
Net contribution (charge) to earnings	(431)	(256)	(456)
Intersegment eliminations
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	(561)	(535)	(471)
Intersegment eliminations | Timberlands
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	561	535	471
Intersegment eliminations | Real Estate & ENR
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	0	0	0
Intersegment eliminations | Wood Products
Segment Reporting, Revenue Reconciling Item
Sales to unaffiliated customers	$ 0	$ 0	$ 0